package com.mmall.controller.backend;

import com.google.common.collect.Maps;
import com.mmall.common.Const;
import com.mmall.common.ResponseCode;
import com.mmall.common.ServerResponse;
import com.mmall.pojo.Product;
import com.mmall.pojo.User;
import com.mmall.service.IFileService;
import com.mmall.service.IProductService;
import com.mmall.service.IUserService;
import com.mmall.util.PropertiesUtil;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.Map;

@Controller
@RequestMapping("/manage/product")
public class ProductManageController {

    @Autowired
    private IUserService userService;
    @Autowired
    private IProductService iProductService;
    @Autowired
    private IFileService fileService;

    /**
     * 更新或增加产品
     * @param session
     * @param product
     * @return
     */
    @RequestMapping("save.do")
    @ResponseBody
    public ServerResponse productSave(HttpSession session, Product product){

        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if( user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录");
        }

        if( userService.checkAdminRole(user).isSuccess()){
            return iProductService.saveOrUpdateProducr(product);
        }
        else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }


    @RequestMapping("set_sale_status.do")
    @ResponseBody
    public ServerResponse setSaleStatus(HttpSession session, Integer productId,Integer status){

        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if( user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录");
        }

        if( userService.checkAdminRole(user).isSuccess()){
            return iProductService.setSaleStatus(productId,status);
        }
        else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }


    /**
     * 获取产品详情
     * @param session
     * @param productId
     * @param status
     * @return
     */
    @RequestMapping("detail.do")
    @ResponseBody
    public ServerResponse getDetail(HttpSession session, Integer productId,Integer status){

        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if( user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录");
        }

        if( userService.checkAdminRole(user).isSuccess()){
            return iProductService.manageProductDetail(productId);
        }
        else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    @RequestMapping("list.do")
    @ResponseBody
    public ServerResponse getList(HttpSession session, @RequestParam(value = "pageNum",defaultValue = "1") int pageNum,@RequestParam(value = "pageSize",defaultValue = "10") int pageSize){

        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if( user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录");
        }

        if( userService.checkAdminRole(user).isSuccess()){
            return iProductService.getProduceList(pageNum,pageSize);
        }
        else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    @RequestMapping("search.do")
    @ResponseBody
    public ServerResponse productSearch(HttpSession session,String productName,Integer productId, @RequestParam(value = "pageNum",defaultValue = "1") int pageNum,@RequestParam(value = "pageSize",defaultValue = "10") int pageSize){

        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if( user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录");
        }

        if( userService.checkAdminRole(user).isSuccess()){
            return iProductService.searchProduct(productName,productId,pageNum,pageSize);
        }
        else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }


    /**
     * 文件上传
     * @param file
     * @param request
     * @return
     */
    @RequestMapping("upload.do")
    @ResponseBody
    public ServerResponse upload(HttpSession session,@RequestParam(value = "upload_file",required = false) MultipartFile file, HttpServletRequest request){

        System.out.println((User)session.getAttribute(Const.CURRENT_USER));
        User user = (User) session.getAttribute(Const.CURRENT_USER);
       // System.out.println(user.getUsername());
        if( user == null){
            //System.out.println("用户未登录");
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录");
        }

        if( userService.checkAdminRole(user).isSuccess()){
            String path = request.getSession().getServletContext().getRealPath("upload");
            String targetFileName =fileService.upload(file,path);

            String url = PropertiesUtil.getProperty("ftp.server.http.prefix")+targetFileName;

            Map fileMap = Maps.newHashMap();

            fileMap.put("uri",targetFileName);
            fileMap.put("url",url);
            return  ServerResponse.createBySuccess(fileMap);

        }

        else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }

    }

    /**
     * 富文本上传
     * @param session
     * @param file
     * @param request
     * @return
     */
    @RequestMapping("richtext_img_upload.do")
    @ResponseBody
    public Map richtextImgUpload(HttpSession session, @RequestParam(value = "upload_file",required = false) MultipartFile file, HttpServletRequest request, HttpServletResponse response){
        Map resultMap = Maps.newHashMap();

        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if( user == null){
            resultMap.put("success",false);
            resultMap.put("msg","请登录管理员");
            return resultMap;
        }




        if( userService.checkAdminRole(user).isSuccess()){
            String path = request.getSession().getServletContext().getRealPath("upload");
            String targetFileName =fileService.upload(file,path);

                if(StringUtils.isBlank(targetFileName) ){
                    resultMap.put("success",false);
                    resultMap.put("msg","上传失败");
                    return resultMap;
                }
            String url = PropertiesUtil.getProperty("ftp.server.http.prefix")+targetFileName;


            resultMap.put("success",true);
            resultMap.put("msg","上传成功");
            resultMap.put("file_path",url);
            response.addHeader("Access-Control-Allow-Headers","X-File-Name");

            return  resultMap;

        }

        else{
            resultMap.put("success",false);
            resultMap.put("msg","无权限操作");
            return resultMap;
        }

    }


}
